Home > Duplex Steel > Duplex Steel S31803 Sheet and Plates
Ashraf Nickel Alloys stands out as a premier manufacturer and supplier of Duplex Steel S31803 Sheets and Plates in Riyadh, Saudi Arabia, offering top-notch materials that align with global standards. Known for its remarkable balance of strength and corrosion resistance, Duplex Steel S31803 boasts a unique dual-phase austenitic-ferritic microstructure. These sheets and plates are perfect for tough environments where resistance to pitting, crevice corrosion, and stress corrosion cracking is crucial. Ashraf Nickel Alloys supplies S31803 sheets and plates in a variety of sizes, finishes, and thicknesses, ensuring they are reliable and durable for critical industrial operations across various sectors.
Specifications : ASTM A240 / ASME SA240
Dimensions : ASTM, ASME, and API
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Thickness : 4mm-100mm
Length : 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface Finish : 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, chequered, embossed, hairline, sand blast, Brush, etching, Hot rolled plate (HR), Cold rolled sheet (CR), SATIN (Met with Plastic Coated) etc
Hardness : Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
At Ashraf Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex S31803 Sheets and Plates in Riyadh, Saudi Arabia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Saudi Arabia, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel S31803 sheets and plates are widely used in challenging environments due to their high strength and corrosion resistance. Common applications include construction and structural components, marine and offshore equipment, chemical processing plants, and oil and gas industries. They are ideal for pressure vessels, heat exchangers, and storage tanks, where durability and resistance to harsh conditions are critical. Their versatility makes them suitable for both industrial and architectural uses.
